20220800

素因数分解:

$2^7\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 51224400

約数和(自身を除く): 31003600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 89, 100, 128, 142, 160, 178, 200, 284, 320, 355, 356, 400, 445, 568, 640, 710, 712, 800, 890, 1136, 1420, 1424, 1600, 1775, 1780, 2225, 2272, 2840, 2848, 3200, 3550, 3560, 4450, 4544, 5680, 5696, 6319, 7100, 7120, 8900, 9088, 11360, 11392, 12638, 14200, 14240, 17800, 22720, 25276, 28400, 28480, 31595, 35600, 45440, 50552, 56800, 56960, 63190, 71200, 101104, 113600, 126380, 142400, 157975, 202208, 227200, 252760, 284800, 315950, 404416, 505520, 631900, 808832, 1011040, 1263800, 2022080, 2527600, 4044160, 5055200, 10110400, 20220800]

約数ペア:

[(1, 20220800), (2, 10110400), (4, 5055200), (5, 4044160), (8, 2527600), (10, 2022080), (16, 1263800), (20, 1011040), (25, 808832), (32, 631900), (40, 505520), (50, 404416), (64, 315950), (71, 284800), (80, 252760), (89, 227200), (100, 202208), (128, 157975), (142, 142400), (160, 126380), (178, 113600), (200, 101104), (284, 71200), (320, 63190), (355, 56960), (356, 56800), (400, 50552), (445, 45440), (568, 35600), (640, 31595), (710, 28480), (712, 28400), (800, 25276), (890, 22720), (1136, 17800), (1420, 14240), (1424, 14200), (1600, 12638), (1775, 11392), (1780, 11360), (2225, 9088), (2272, 8900), (2840, 7120), (2848, 7100), (3200, 6319), (3550, 5696), (3560, 5680), (4450, 4544)]